diff --git a/src/views/warn/alarm/alarm.data.ts b/src/views/warn/alarm/alarm.data.ts
index 8b2cae7..5d5fc3d 100644
--- a/src/views/warn/alarm/alarm.data.ts
+++ b/src/views/warn/alarm/alarm.data.ts
@@ -4,6 +4,13 @@ import {h, ref} from "vue";
 import {systemSelectParams} from "@/api/alert/model/model/optionsModel";
 import {formatToDateTime, getDate} from "@/utils/dateUtil";
 
+
+export const currentTime = ref(Date.now())
+
+setInterval(() => {
+  currentTime.value = Date.now()
+}, 1000)
+
 function toTimestamp(time: string): number {
   if (!time) return 0
   // 兼容：2026-01-04T09:30:15 / 2026-01-04 09:30:15
@@ -183,8 +190,7 @@ export const columns: BasicColumn[] = [
       return h('div', [
         h('div',  record.insertTime),
         // h('div', '--'),
-        h('div',  formatToDateTime(record.currentTime))
-
+        h('div',  formatToDateTime(currentTime.value))
       ]);
     },
 
@@ -192,9 +198,10 @@ export const columns: BasicColumn[] = [
   {
     title: '持续时长',
     dataIndex: 'timeDiffStr',
-    width: 85,
+    width: 100,
     customRender: ({ record }) => {
-      const diffMs = record.currentTime - toTimestamp(record.insertTime)
+      if (!record.insertTime) return '-'
+      const diffMs = currentTime.value - toTimestamp(record.insertTime)
       return getDate(diffMs)
     },
   },
diff --git a/src/views/warn/alarm/index.vue b/src/views/warn/alarm/index.vue
index f97eaa3..5cbb907 100644
--- a/src/views/warn/alarm/index.vue
+++ b/src/views/warn/alarm/index.vue
@@ -80,7 +80,10 @@ async function handleTrend(record: Recordable) {
 let timer: number | null = null
 
 onMounted(() => {
+  console.log("定时器开始")
+
   timer = window.setInterval(async() => {
+
     const list = getDataSource()
     const now = Date.now()
 
@@ -93,26 +96,16 @@ onMounted(() => {
         const outpointCode = row.outputPoint;
         const outpointValue = await getExaNow(outpointCode);
         // 更新当前行
-        updateTableDataRecord(row.mpId, Object.assign(row, { pointValue: pointValue, outpointValue: outpointValue }))
+        updateTableDataRecord(row.mpId, Object.assign(row, { pointValue: pointValue, outpointValue: outpointValue}))
       }
-
-    // 只更新字段，不请求接口
-    setTableData(
-      list.map(item => ({
-        ...item,
-        currentTime: now,
-      }))
-    )
   }, 1000)
 })
 
 onUnmounted(() => {
+  console.log("定时器销毁",timer)
   if (timer) clearInterval(timer)
 })
 
-
-
-
 </script>
 
 <template>